Question

solve the equation by using quadratic formula X square + 2 x minus 4 is equal to zero​

Answer 1

Step-by-step explanation:

use discrminant formula

$b {}^{2} - 4ac = 0 \\ 2 {}^{2} - 4(1)( - 4) = 0 \\ 4 + 16 = 0 \\ 20 = d$

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Answer 2

Answer:

ANSWER FOR ABOVE IS 1+√5,1-√5

Step-by-step explanation:

X² -2X -4 =0

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